I found that the default Mic Gain was way to high for the LS Zulu microphone. The default is +12dB and this caused my setup to overmodulate and transmit too much ambient noise.
I reduced the gain to +6dB and the results were much better! I may even try a lower setting as well.
If you have a hot mic, you may want to reduce this gain setting.
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Brantel (Brian Chesteen), Check out myRV-10 builder's BLOG
RV-10, #41942, N?????, Project Sold
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RV-7/TU, #72823, N159SB
Lyc. O-360 carbed, HARTZELL BA CS Prop, Dual P-MAGs, Dual Garmin G3X Touch Track N159SB (KK4LIF) Like EAA Chapter 1494 on Facebook